Full-stack modernization of a high-traffic web platform — migrated from Ruby on Rails & Webflow to Next.js, TypeScript, and NestJS, reducing costs by 60% and scaling to millions of users.
Next.jsTypeScriptNestJSAWSMongoDBPub/Sub
Open to opportunities
Hamed Navvabian
Fullstack Tech Lead & Software Engineer
9+ years architecting and shipping high-impact web & mobile products — React, Next.js, Node.js, and Web3.
9+Years
30+Projects
10+Team Members
Work
Featured Projects
A selection of things I've built across product companies, startups, and open source.
Featured2022
Treejer Ranger
Web3 blockchain application enabling environmental impact tracking and ranger management on Ethereum. Boosted engagement by 40% and conversion by 25%.
ReactWeb3EthereumSolidityTypeScript
Real-time cross-platform exchange marketplace for iOS and Android using WebSocket for live price feeds and trade execution, growing transaction volume by 70% in 3 months.
React NativeWebSocketRESTExpoRedux
Other projects
2023
Marlow Crew Portal
Micro-frontend portal suite for maritime crew management using a shared Nexus package library across 5+ projects — cut new feature development time by 75%.
ReactMUIMicro-frontendsMonorepoNexus
2020
Multilingual Translation Engine
Custom translation automation system integrating Google Sheets with Node.js to manage app localization, reducing translation effort by 70% for both developers and translators.
Node.jsGoogle Sheets APIAutomationi18n
Stack
Skills & Technologies
Tools and technologies I've worked with across frontend, backend, mobile, and infrastructure.
Languages
- TypeScript
- JavaScript
- Ruby
- HTML5
- CSS3 / SASS
Frontend
- React
- Next.js
- React Native
- Expo
- Framer Motion
State & Data
- Redux / Saga
- GraphQL / Apollo
- React Query
- Zod
Styling
- Tailwind CSS
- Material UI
- Styled-Components
- Ant Design
Backend
- NestJS
- Express.js
- Node.js
- Ruby on Rails
- REST
- WebSocket
Databases
- MongoDB
- PostgreSQL
- MySQL
- Firebase
- Firestore
DevOps & Cloud
- AWS
- GCP
- Docker
- CI/CD
- Vercel
Other
- Web3 / Blockchain
- TDD / DDD
- Micro-frontends
- NPM / Nexus
9+Years of Experience
30+Projects Shipped
10+Team Members Led
60%Cost Reduction Achieved
Background
Work Experience
9+ years across product companies, startups, and freelance — from junior engineer to tech lead.
- Led end-to-end modernization of a legacy Ruby on Rails & Webflow platform, migrating to Next.js, TypeScript, React, NestJS, and Mongoose — cutting operational costs by 60%.
- Directed cloud infrastructure migration from GCP to AWS, redefining deployment architecture and improving scalability.
- Architected a scalable NestJS monorepo with 11 shared libraries and 5 applications, establishing clear boundaries and reusable modules.
- Designed a distributed file-processing pipeline integrated with Google Cloud Pub/Sub, processing 20,000+ files daily with 90%+ structured data accuracy via AI extraction.
- Participated in technical hiring and interview processes, shaping engineering team standards.
Next.jsTypeScriptNestJSAWSPub/SubMongoose
Get in Touch
Let's build something great
Whether you have a project in mind, a role to discuss, or just want to connect — my inbox is always open.
Book a 30-min intro call
Pick a time that works — no agenda required